Merriam-Webster started the 'word of the year' in 2003. The results are based on search spikes on it's free online tool and words that stand out to the editors.

The top words of 2011:

1. Pragmatic- Practical as opposed to idealistic

2. Ambivalence- Simultaneous and contradictory attitudes or feeling, such as attraction and repulsion

3. Insidious- treacherous

4. Didactic- designed to teach

5. Austerity- enforced or extreme economy

Have you ever used these words in every day conversation?